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Biblioteka

Stoichiometry - Chemistry for Massive Creatures: Crash Course Chemistry #6

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Posljednje ažuriranje almost 4 years ago
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Pitanje 1
1.

___________________ is the science of measuring chemicals that go into and come out of any given reaction.

Pitanje 2
2.

In essence, it allows us to count up __________ and molecules by weighing them.

Pitanje 3
3.

In essence, it allows us to count up __________ and molecules by weighing them.

Pitanje 4
4.

It took chemists many years for everyone to decide to use another standard -- _________-12

Pitanje 5
5.

6.022 x 1023 atoms in 12 grams of carbon-12, this represents the unit of __________.

Pitanje 6
6.

6.022 x 1023 is known as _____________________ number.

Pitanje 7
7.

Avogadro's number is a __________(big/small) number.

Pitanje 8
8.

Sucrose combines with oxygen to create energy plus carbon dioxide and _________________.

Pitanje 9
9.

The number of atoms of each element has to be exactly the ______________ on both sides(conservation of mass).

Pitanje 10
10.

For every molecule of sucrose metabolized he would have to inhale _____ molecules of oxygen....

Pitanje 11
11.

5.6 grams of oxygen, is about ________ breaths